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Cobb County, Georgia

Cobb County profile, demographic data, and geographic information.

Cobb County is a county located in Georgia, United States of America. As of official census estimates, it has a reported population of 793,345. The land area covers 339.70 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Cobb County
Official Title: Planning Division Manager
Address: PO BOX 649, MARIETTA GA 30090-9672

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 793,345 — 2025 / Census
Median Age 37.5 yrs ±0.2 2020-2024 / Census ACS 5-Year 2024
Total Households 295,714 ±1,381 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 314,104 ±207
Occupied Housing Units 295,714 ±1,381
Vacant Housing Units 18,390 ±1,314
Median Home Value $407,200 ±$4,795
Median Gross Rent $1,730 ±$15
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $102,738 ±$1,561
Per Capita Income $52,646 ±$770
Poverty Rate 8.7% ±0.5%
Population Below Poverty Level 66,802 ±3,871
Unemployment Rate 4.5% ±0.3%
Civilian Labor Force, Employed 417,388 ±3,103
Broadband Internet Rate 96.1% ±0.4%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at MABLETON 1 N, GA US, located 5.7 miles from Cobb County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 53.3° 31.7° 42.5° 4.94" 0.7"
February 57.4° 34.6° 46.0° 4.94" 0.2"
March 65.4° 40.2° 52.8° 4.94" 0.1"
April 71.7° 48.3° 60.0° 4.03" 0.0"
May 76.5° 57.4° 66.9° 4.18" 0.0"
June 82.4° 65.1° 73.8° 4.14" 0.0"
July 83.8° 68.4° 76.1° 7.03" 0.0"
August 83.6° 67.9° 75.7° 4.81" 0.0"
September 79.5° 61.8° 70.6° 3.70" 0.0"
October 70.8° 50.9° 60.9° 4.15" 0.0"
November 62.9° 39.8° 51.3° 4.46" 0.0"
December 55.4° 34.9° 45.1° 4.86" 0.2"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 13067. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.